mired in iraq. today, i believe that as a nation we are moving forward >> reporter: and just as romney tries to convince voters of empathy, an image from the campaign of a young romney, a missionary overseas, missing his girlfriend, ann. his hear then as romney works to show heart now. >> hi heart aches for the people i've seen. i was, yesterday, with a woman who was emotional and she said, "look, i've been out of work since may." she was in her 50s. she said, i don't see any prospects. >> reporter: the big debate less than a week away. the president is going to nevada for debate prep and governor romney is going to practice more this weekend. i did ask the governor about nerves, if he's worried. he said he's not. he's ready to draw the line, the differences between the two. but you know a lot is riding on this. >> could be make or break. you'll be there next wednesday. thank you, david. >>> now, to an explosive headline about the 9/11 attack in libya that killed four americans, including america's ambassador, chris stevens, the white hou. the white house described it as a mobile riot,